AUTHOR=Milano F. , Vaccaro A. , Manana M. TITLE=Editorial: Data-Driven Solutions for Smart Grids JOURNAL=Frontiers in Big Data VOLUME=4 YEAR=2021 URL=https://www.frontiersin.org/journals/big-data/articles/10.3389/fdata.2021.815686 DOI=10.3389/fdata.2021.815686 ISSN=2624-909X